In the afternoon of March 27, 2015 , Du Jiahao, the governor and deputy secretary of provincial party committee of Hunan Province, made a special investigation in environmental protection industry in Changsha.Yi Lianhong, the provincial party committee member and Changsha Municipal party committee Secretary also participated in the investigation. The governor Du Jiahao made a survey in ZOOMLION Environmental Industry Company, Huashijie Environmental Protection Science & Technology Development Co., Ltd . and Kaitian Environmental Protection science & Technology Co. Ltd., and affirmed the early start , good quantity and developing condition and foundation of environmental protection industry of Hunan province. He insisted that Changsha environmental protection industry should base itself on its own advantages, accelerate the technological innovation and structural adjustment  to create "Green Hunan". He also pointed out that we should promote the provincial demonstration of advanced environmental protection technology and accelerate the formation of replicable experience and mode that can be expanded to speed up the development of “green industry” and to form a new economic growth point by adhering to the rule of top-level design, scientific layout and government purchasing the services.